Archghoul of Thraben + Mortuary + Rooftop Storm + Altar of Dementia

Archghoul of Thraben
Mortuary
Rooftop Storm
Altar of Dementia

Requires
Archghoul of Thraben must be on the battlefield. Mortuary must be on the battlefield. Rooftop Storm must be on the battlefield. Altar of Dementia must be on the battlefield.
Steps
  1. Activate Altar of Dementia by sacrificing Archghoul of Thraben.
  2. Mortuary and Archghoul of Thraben trigger.
  3. Resolve the Mortuary trigger, putting Archghoul of Thraben on top of your library from your graveyard.
  4. Resolve the Archghoul of Thraben trigger, revealing Archghoul of Thraben from the top of your library and putting it into your hand.
  5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Archghoul of Thraben's power.
  6. Cast Archghoul of Thraben by paying 0.
  7. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mill. Infinite sacrifice triggers. Infinite self-mill. Infinite storm count.

Wilhelt, the Rotcleaver
0.03% of 19572 decks 5 decks
Muldrotha, the Gravetide
0.01% of 17483 decks 2 decks
Grimgrin, Corpse-Born
0.04% of 2740 decks 1 decks
Nevinyrral, Urborg Tyrant
0.06% of 1580 decks 1 decks
Varina, Lich Queen
0.01% of 8601 decks 1 decks
Sidisi, Brood Tyrant
0.01% of 7033 decks 1 decks
High Synergy Cards
Necroduality
91% of 11 decks +90% synergy
Sidisi, Undead Vizier
82% of 11 decks +80% synergy
Gravecrawler
82% of 11 decks +79% synergy
Phyrexian Altar
82% of 11 decks +78% synergy
Carrion Feeder
82% of 11 decks +77% synergy
Headless Rider
73% of 11 decks +71% synergy
Diregraf Colossus
73% of 11 decks +71% synergy
Field of the Dead
73% of 11 decks +69% synergy
Ashnod's Altar
73% of 11 decks +66% synergy
Gray Merchant of Asphodel
73% of 11 decks +64% synergy
Top Cards
Poppet Stitcher
64% of 11 decks +63% synergy
Undead Augur
64% of 11 decks +62% synergy
Diregraf Captain
64% of 11 decks +60% synergy
Fleshbag Marauder
64% of 11 decks +60% synergy
Liliana, Untouched by Death
55% of 11 decks +54% synergy
Relentless Dead
55% of 11 decks +54% synergy
Vengeful Dead
55% of 11 decks +54% synergy
Shambling Ghast
55% of 11 decks +54% synergy
Mikaeus, the Unhallowed
55% of 11 decks +52% synergy
Skullclamp
55% of 11 decks +43% synergy
Game Changers
Vampiric Tutor
45% of 11 decks +28% synergy
Demonic Tutor
36% of 11 decks +15% synergy
Cyclonic Rift
36% of 11 decks +10% synergy
Bolas's Citadel
27% of 11 decks +19% synergy
Fierce Guardianship
27% of 11 decks +9% synergy
Rhystic Study
27% of 11 decks +1% synergy
Creatures
Warren Soultrader
50% of 6 decks +45% synergy
Rot Hulk
45% of 11 decks +45% synergy
Fell Stinger
45% of 11 decks +45% synergy
Noxious Ghoul
45% of 11 decks +45% synergy
Hordewing Skaab
45% of 11 decks +44% synergy
Wilhelt, the Rotcleaver
45% of 11 decks +44% synergy
Sedraxis Alchemist
36% of 11 decks +36% synergy
Grimgrin, Corpse-Born
36% of 11 decks +35% synergy
Champion of the Perished
36% of 11 decks +35% synergy
Havengul Lich
36% of 11 decks +35% synergy
The Scarab God
36% of 11 decks +33% synergy
Midnight Reaper
36% of 11 decks +33% synergy
Acererak the Archlich
27% of 11 decks +27% synergy
Liliana's Standard Bearer
27% of 11 decks +27% synergy
Plague Belcher
27% of 11 decks +26% synergy
Cleaver Skaab
27% of 11 decks +26% synergy
Zombie Master
27% of 11 decks +26% synergy
Undead Warchief
27% of 11 decks +26% synergy
Cryptbreaker
27% of 11 decks +26% synergy
Gisa and Geralf
27% of 11 decks +25% synergy
Murderous Rider
27% of 11 decks +25% synergy
Blood Artist
27% of 11 decks +16% synergy
Instants
Mana Drain
55% of 11 decks +40% synergy
Lazotep Plating
36% of 11 decks +35% synergy
Malakir Rebirth
27% of 11 decks +19% synergy
Deadly Rollick
27% of 11 decks +16% synergy
An Offer You Can't Refuse
27% of 11 decks +6% synergy
Sorceries
Empty the Laboratory
36% of 11 decks +36% synergy
Utility Artifacts
Commander's Sphere
27% of 11 decks +13% synergy
Enchantments
Endless Ranks of the Dead
36% of 11 decks +35% synergy
Dictate of Erebos
27% of 11 decks +24% synergy
Grave Pact
27% of 11 decks +23% synergy
The Meathook Massacre
27% of 11 decks +22% synergy
Mystic Remora
27% of 11 decks +10% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
73% of 11 decks +63% synergy
Cabal Coffers
55% of 11 decks +44% synergy
Crypt of Agadeem
36% of 11 decks +35% synergy
Nykthos, Shrine to Nyx
36% of 11 decks +31% synergy
Bojuka Bog
36% of 11 decks +7% synergy
Unholy Grotto
27% of 11 decks +26% synergy
Phyrexian Tower
27% of 11 decks +19% synergy
Reliquary Tower
27% of 11 decks -2% synergy
Mana Artifacts
Sol Ring
91% of 11 decks +7% synergy
Arcane Signet
55% of 11 decks -18% synergy
Mana Crypt
36% of 11 decks +30% synergy
Dimir Signet
36% of 11 decks +8% synergy
Talisman of Dominance
27% of 11 decks -5% synergy
Lands
Command Tower
82% of 11 decks +7% synergy
Watery Grave
55% of 11 decks +14% synergy
Tainted Isle
45% of 11 decks +34% synergy
Darkwater Catacombs
45% of 11 decks +31% synergy
Sunken Hollow
45% of 11 decks +11% synergy
Unclaimed Territory
36% of 11 decks +31% synergy
Dimir Aqueduct
36% of 11 decks +20% synergy
Myriad Landscape
36% of 11 decks +18% synergy
Morphic Pool
36% of 11 decks +11% synergy
Drowned Catacomb
36% of 11 decks +10% synergy
Exotic Orchard
36% of 11 decks +0% synergy
Cavern of Souls
27% of 11 decks +20% synergy
Polluted Delta
27% of 11 decks +16% synergy
Underground Sea
27% of 11 decks +13% synergy
Choked Estuary
27% of 11 decks +11% synergy
Shipwreck Marsh
27% of 11 decks +9% synergy
Path of Ancestry
27% of 11 decks +6% synergy